(19)

(11)

EP 4 387 921 A1

(12)

(43) Date of publication: 26.06.2024 Bulletin 2024/26 (21) Application number: 22768671.4 (22) Date of filing: 19.08.2022

(51) International Patent Classification (IPC):  B67D 1/00(2006.01) F16L 59/00(2006.01) (52) Cooperative Patent Classification (CPC): B67D 1/0042; B67D 2210/00044; B67D 2210/00047; F16L 59/18 (86) International application number: PCT/EP2022/073252 (87) International publication number: WO 2023/021207 (23.02.2023 Gazette 2023/08)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 20.08.2021 GB 202112010 (71) Applicant: Heineken UK Limited Edinburgh EH12 9JZ (GB)	(72) Inventors: GRAY, Simon Edinburgh Lothian EH12 9JZ (GB) BRIANT, Stuart Edingburgh Lothian EH12 9JZ (GB) (74) Representative: Mewburn Ellis LLP  Aurora Building Counterslip Bristol BS1 6BX Bristol BS1 6BX (GB)